摘要：
1.在viewController下面添加如下代码： if ([self respondsToSelector:@selector(setNeedsStatusBarAppearanceUpdate)]) { [self prefersStatusBarHidden]; [self performSelector:@selector(setNeedsStatusBarAppearanceUpdate)]; }- (BOOL)prefersStatusBarHidden{ return YES;}2.在plist里设置：首先设置key：Status bar is initially hid... 阅读全文
摘要：
Xcode更新到Xcode5，一运行报如下错误：Unsupported compiler 'com.apple.compilers.llvmgcc42' selected for architecture 'armv7'或'armv7s'解决方案：Change your compiler for C/C++/ObjectiveC Go to Build Settings->Build OPtions->compiler for C/C++/ObjectiveC; select Default(Apple LLVM5.0) 阅读全文